LG DM2352D-PZN Service Manual page 16

2. No Picture
Module
Back Light On ?
Y
Check Panel power
P1002(#1,2,3) 5V
IC802 Output 5V
Y
Check Panel clock
P1002(#10,11,22,23)
Y
Check FFC Cable for damage
or open conductors.
Y
Replace T-con
Board or module
Copyright © LG Electronics. Inc. All right reserved.
Only for training and service purposes
N
Check WLED_ENABLE high
R1127
Y
Check LED Driver output
(P1101/P1103 #1,2,5,6)
N
Replace IC802
N
Check IC101
Repair Main B/D
N
Replace Cable
- 16 -
N
Check IC101
Replace Main Scaler IC
N
Check LED Driver IC1100
Replace LED Driver IC
LGE Internal Use Only